878606340 has 48 divisors (see below), whose sum is σ = 2539461120. Its totient is φ = 226736640.

The previous prime is 878606317. The next prime is 878606369. The reversal of 878606340 is 43606878.

It is a junction number, because it is equal to n+sod(n) for n = 878606292 and 878606301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234325 + ... + 238044.

It is an arithmetic number, because the mean of its divisors is an integer number (52905440).

Almost surely, 2^878606340 is an apocalyptic number.

It is an amenable number.

878606340 is an abundant number, since it is smaller than the sum of its proper divisors (1660854780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878606340 is a wasteful number, since it uses less digits than its factorization.

878606340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472412 (or 472410 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 878606340 is about 29641.2945061446. The cubic root of 878606340 is about 957.7778245623. Note that the first 3 decimals are identical.

The spelling of 878606340 in words is "eight hundred seventy-eight million, six hundred six thousand, three hundred forty".